From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 93735138334 for ; Thu, 6 Dec 2018 21:55:10 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id BA236E09F0; Thu, 6 Dec 2018 21:55:03 +0000 (UTC) Received: from mail-yw1-xc2d.google.com (mail-yw1-xc2d.google.com [IPv6:2607:f8b0:4864:20::c2d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 2B60FE09A4 for ; Thu, 6 Dec 2018 21:55:02 +0000 (UTC) Received: by mail-yw1-xc2d.google.com with SMTP id i20so229054ywc.5 for ; Thu, 06 Dec 2018 13:55:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=vj2ea41xi4aSB1FR7TAWTQqdp6mNt2SyL+omkR14xYY=; b=N+pAb0SCMiGIz24ToXVvTTLGHauIV+KASk0y+8eP5c5hvBeqySEMbc1ZRHRXi8RpGk k44iNbJsU4mnTw394HUdYQuWcweY7C3pMl6QYKKbxdbVAN5Nj+vPpdn2NrOnqQpb9efF TpVi6Lgn0JcUzagrHfkvkYXQ9tJFsEXiJMv29klv74R4PRXqwPf+ZIAjxCzfl9X50djB 5cGi3GYuSjff/8PbZ0MFyQMVpG8GLJDoPjyoIKsjwGb18dCcZXdglJj98EtDhCyRuWeY Fh+SgrorRFoMMDaut0K7GT+y+wUy3FnQbyYnBGWI3IU4J3u6aQZ/TAU8Stfa6Fc3BBx9 8v1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding; bh=vj2ea41xi4aSB1FR7TAWTQqdp6mNt2SyL+omkR14xYY=; b=kwUXl+Q1h2E79XRx8p6bFOWaLmhRotv+KMlxQjejqOgqOQGSmD0FS2FRbDkBnQ8Fbv n/iylTiUfNU0OlW6zvQ+G5BU6JRXKHl2tcQ/pxSNKs1jP+QDWUBKXAG078LaEcW026j+ TaPYjH2RWlECKvnGNEhv5piTZZbS+1AXgCf1wINIAGMpb8lzTz7oCIPYH/9LTj2XVbmw 1qeLrBx/TwfeTNIK1b7JG45EDmAfYeIuFPnv86wrz7pXNwZfEOx/PKo3Lbf+Upy/4F85 efenY+tpuvL8KPkM0xWYMhuaKBjFL3GoQ1jDLsKjUpLiKH3ICcdA5MGsIklKnvKiWsTx WZMA== X-Gm-Message-State: AA+aEWZL18fddxF3/EnRBQfBv3Hyibq6/IvwpntWdSPHG3cu9Wrwm07X idg/+OA5j97tSQPGfHJQ+oY= X-Google-Smtp-Source: AFSGD/UDNpSCIQLNYddV6/uX5Vc/yxoW4GvHLUHQNxxxHp59By+x6z+2DhADw2HdnHZWmqWtVoLFPg== X-Received: by 2002:a81:3757:: with SMTP id e84mr30576270ywa.380.1544133302178; Thu, 06 Dec 2018 13:55:02 -0800 (PST) Received: from [192.168.2.5] (adsl-74-240-55-188.jan.bellsouth.net. [74.240.55.188]) by smtp.gmail.com with ESMTPSA id r20sm504772ywa.13.2018.12.06.13.55.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Dec 2018 13:55:01 -0800 (PST) Subject: Re: [gentoo-user] CPU upgrade and LVM questions. To: gentoo-user@lists.gentoo.org References: From: Dale Openpgp: preference=signencrypt Autocrypt: addr=rdalek1967@gmail.com; prefer-encrypt=mutual; keydata= xsFNBFpEtdQBEADI51WaryP3FJlDfmCQx2aPQpSppEKxqWhCTA8KFEcOVFmIIfiFAeekqMMD mhUxgZTtlQh7dsNqha6ioaYDqGKTv7oeJlPJw4hmIMJX3WYVSOHlsJUNM2jpDIAFeEKfup/T zDzFpuU2Qtr/Y0ji35wHyOAZLRckeNk705oRvE9wqi6noTP15Gxmw/U6aMzEfvu+wGEfCjgs 9bERmu+CS75PZEaFAv8RnsXUv1UcvQ45jmk/8ni/ogxE2h53OIp6c/hOlgJkSVRQWPZZyKZw lDiSUKCtMXPMdZ9w0X6RltQxtIQXO0KxAKaAp+tnL8z+0piafF5uW4RIglhT922RXKxxdZyx SjRgtE4V1IPtUcwPAeqVUZw2P1b4pjfPv7tNtMoFsIiY0ZnT+ua4ps6KOUeocRPKAX14mZkL jt/sZM7aIKiwyoteshRgWNNkxh4OiSxGCRUKNQI8M42cRSidvJZ6SGZXM3WpV28RPyF7+0Ba 0stEQwBGNF8uxgytY9rOJ7obmIpEZKx1p3W1O1hadOjBo2110jMDirRXtktMDfBDvVKkOZ06 vLu16uZLb0O52euhl2dMcEI3ZoCAFTKtdwMITIDj1TcMBZar6+bcwOicSFFogOLHQLJZRO5q I5szOIYW7+c0yNqPRLT3Sq7HzDyuyTUjmPZSAcqOwzX8GwUFkwARAQABzRtEYWxlIDxyZGFs ZWsxOTY3QGdtYWlsLmNvbT7CwZQEEwEIAD4WIQSUDVlCt0m0Z/PsCaxgB5lCagHqugUCWkS1 1AIbIwUJCWYBgAULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRBgB5lCagHqurR7D/45/q20 vXdrJGxrkNphotmlBtTpNbVauu5A2NDv3E1Il6yqRBfh4Xw7xFuwhz9DqThuvByU6566vr0z 7oVCK33dxRm4WA7YaogRQZy4VVIbHdrksnh2f702CFllqtn5Y29M2JtXG5jiiL3aZNEhoyP9 eMtzLPGs56yZ3eMkz4U7DEmWCAUr8bbuXW+eq/A0V5djcFdHfmanuDZSxzg+cZTpVOLolS2b pmNsPTSMkJ2MDY2Kfdg3gPhSaawo2agQfgnf9E7vSm7z/rlk8bBUWcPAP/XTN9ndVwOO3x74 EQv/M4EiCTtNpw3yapVZI2NhA1wqW648D7RxIPD8Y3nkJVDS4x5g54xDe1IUFOtVUSDAh+vY wUJt7vgbCeRjyT8XbuGW9RokIos3ALNaPoq/FDNEqefbmop0CPRih6aLFHWT4YBA6xQjLJuP LSNvalNqE5mef0giCtnLxo/lkjnP9Sv+t/5VSHda5zkVuN0+2w46SbGvXIHRkSoSi6XH3ccq KayJC+oTqo4xf9J30c7CV4rEcYnJcnxMw0vcYmU3DwjGfKxuKcLHgPr9mDNWvhteroA5wNWw NzQ72yAj7rsZVUXCxZgiPldSH3SXZJ/Jo6E9JouzQgRb/I4Vy4jx0Yw8rJLDx/ha82fn+FVe cFbiodVV5UD0inw488IAAtJE+Zi0t87BTQRaRLXUARAA38iHcF7M7GnkS73dazdLBgz2YJsu fpix/N/x4CvoHMqTuwi4ASz1WroYjl3KajeH0DSybyPdEQ7nffxIUt48deT3j/rwsJkPRvCF BpmcwxErd/Mbq0BgikYxXvO68aEAs4jBDR26YtONfjobEfd+Juhxci9UN9vTOCgSPhY+dxHs MZ0gHRzvMnpM3o3+oht/XRZr05RQx83DvTIqWnjDQlCseYYlbFp+rFTZi7ro71ULDThfCE0p +f+IQ3zX0cRKOcJGtNRvyWH6PxmN4td6Q7gPHfAsFPLsCpg7nZwOejtAktPejtSEXlN6QOKv bmRQxNtzgMtjzJNNJW2NtBz0DIW394+9stchQRKLqH8n8GnB6tlkfPg4vgf/kq14QQSZcb0F M36wk+i1Hk+TWYWbOBoUw9+X941Pw1JnglJ3tzpBh+36+pdG02Lbm2v6SaZ69zkDfzJ2Sfhb E+KQLibLkiCOhuSDLDWUgUeb0lJ/0qlo3vcQMTBuG5eiWiwBkp4C+ACb1f1Akq0mFvim+gCJ qJOTu0IDK9DjKLKglA3Z6sbeepnXq8fxB2Mo/SFSYEsGqUu4MLxgwnPg7zi+rKg7MhqdiBBE fqugmNguCEYZjJrGCCzwuqPXAZAcyzEYTGFKwI6NdEZ6v8Xc3om9MJomB3y1uzG6K7T9ue5H aw/2aqEAEQEAAcLBfAQYAQgAJhYhBJQNWUK3SbRn8+wJrGAHmUJqAeq6BQJaRLXUAhsMBQkJ ZgGAAAoJEGAHmUJqAeq6/ykP/ib6xEHednaXvzZvvj854PB5ffBqKkphbf51g6pxPvFBWMwY E7Bu/kq8e3hkp3rzX42BjqiUmfEe2OyfZCabXLybP8i/QRkHTzD5nLoIYLeL+62N/WQFW1NU VhqdfQbMhphNgP1mvG2Ib5R6S+Fb+vkw776oq6jLwUBP/o6PPpp62GyvFvFb9ekxV9+sE4yG V3DTqURBY+aXfc/MTzlCXp4u4QzFW9odfcb/kb9f1m/gZbWGihAqeMd1HViXQoMzTx6IuP13 eQAkKj4FlA2QMzbEOOKO6fliSt1JweJoh0OLCEAM/3q+LaflMvvjhl9ht00IUT/ySj3/dZdf EdTpuUAtnC3A3flwgK/aetkkOhrkx9hx4SKn6UHtAl+eCqP1Mae+nWzkisBL0/hBPEz713md 5I+4Y4QjIokRiz/5l/TFwpGu26zmDfDUkZmxZR/iNCW0VAmZE2YdyRm3PYcFcVXuZ1f/ff0D us9xGsO8V6F5EIwx/9Y6AWQdW7PoKHA21ri93PoRgjv+QoOifXEkhJwTKg5k5b1Tr7h9eRU/ Se2XigPVODjrN9FRfkx/JxlJcCs/igGJS05BmiZNIIRDKBGdXy/Fj5HQB2q5v5DfvrLMNTwK Aa8pn/em1SKC/l9aV9ygpN+cQPKoQjGxPPaId/rwX+GVxKl2vakjHLPLQmm3 Message-ID: <00229f0e-cce0-947c-407c-ea76a8914d97@gmail.com> Date: Thu, 6 Dec 2018 15:55:00 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.9.1 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Archives-Salt: 35443621-2b34-48c7-a58f-32b1ae0d9d3a X-Archives-Hash: cb63a7bd8a4e442e706b58f74acd76cb Jack wrote: > On 2018.12.06 15:58, Dale wrote: > [snip...] >> My concern is this tho.  I have my old CPU still installed and >> everything is compiled based on that.  So, I'm stable with the old >> CPU.  However, when I shutdown, take out the old CPU and install the >> new one, I'm concerned it may not boot at all because of the change >> or may boot but be very unstable.  I recall years ago being able to >> set up the flags in such a way that it can run on virtually any CPU >> but it's been a long time ago and I don't know if it is needed or >> not.  My hope was, someone did a very similar upgrade and can say for >> sure if it works or if I need to do things before changing the CPUs >> to make sure I can boot and be stable.  If I can just get a stable >> console, I can do a emerge -e world and get the OS inline with the >> CPU.  I'm just concerned whether I will have that or not.  >> > [snip...] >> >> I just don't want to swap CPUs only to find out I've got to swap back >> because my system won't boot at all. Heck, it may even fail to load >> the kernel itself for all I know.  > I once made the mistake of getting a whole new (used...) PC and just > moved the HDD from the old one to the new, without thinking about any > of this.  Of course it wouldn't boot at all, because I was switching > from an AMD to an Intel CPU and had set all flags accordingly in the > old box.  In your case, as long as you include any flags necessary for > the new CPU, and remove any flags for features the new CPU does not > have, you should be good.  (I know that sounds simple, but does ignore > how you find that info.)  Given your two CPUs are relatively close > (unless I misread something) there should be little if anything > critical to change. > > However, if you have a live DVD, (or on USB stick) that will always > boot, and you can then do a chroot and reset flags and start > recompiling whatever might fail.   I actually think the kernel IS the > likely failure if any, but once that boots, you should be good to > recompile whatever fails.  (Yes, toolchain stuff might be an issue, > but again, just boot back to the live DVD.)  You may need to reboot a > few times, but you won't need to swap the old CPU back in. > > Jack > I've tried that too.  Heck, sometimes that doesn't work even with windoze.   My concerns are sort of along those lines tho.  I don't have and can't find the current flags for the new CPU so I don't know what to do flag wise.  I'm not sure that there is even a common setting but suspect there is.  If I can get the kernel to boot and login at a console, even with no X, I can rebuild from there, provided everything works toolchain wise.  I guess this is a good time to make sure my sysrescue and other tools work.  That slipped my mind completely.  Thanks for the reminder.  Hmmm, I need to check on the current mount and chroot process for this too.  Thanks. Dale :-)  :-)